imports ["ggplot2", "ggplot3"] from "ggplot";
imports ["ggraph", "ggforce"] from "ggraph";
imports "ggpubr" from "ggpubr";

require(REnv);

const .onLoad = function() {
    cat(" --=== Create Elegant Data Visualisations Using the Grammar of Graphics ===--\n");
    cat(" *                                                                          *\n");
    cat(" * ggplot is an open-source data visualization                              *\n");
    cat(" * package for the statistical programming                                  *\n");
    cat(" * language R#.                                                             *\n");
    cat(" *                                                                          *\n");
    cat(" ----=====   R# author: xieguigang <xie.guigang@gcmodeller.org>    ======----\n");
    cat("\n");
    cat("github: https://github.com/rsharp-lang/ggplot\n");
    cat("\n");
}